JPH0526154Y2 - - Google Patents

Info

Publication number
JPH0526154Y2
JPH0526154Y2 JP18294287U JP18294287U JPH0526154Y2 JP H0526154 Y2 JPH0526154 Y2 JP H0526154Y2 JP 18294287 U JP18294287 U JP 18294287U JP 18294287 U JP18294287 U JP 18294287U JP H0526154 Y2 JPH0526154 Y2 JP H0526154Y2
Authority
JP
Japan
Prior art keywords
drill
inner tube
tube
sheath
guide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP18294287U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0190898U (enrdf_load_stackoverflow
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP18294287U priority Critical patent/JPH0526154Y2/ja
Publication of JPH0190898U publication Critical patent/JPH0190898U/ja
Application granted granted Critical
Publication of JPH0526154Y2 publication Critical patent/JPH0526154Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)
JP18294287U 1987-12-02 1987-12-02 Expired - Lifetime JPH0526154Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18294287U JPH0526154Y2 (enrdf_load_stackoverflow) 1987-12-02 1987-12-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18294287U JPH0526154Y2 (enrdf_load_stackoverflow) 1987-12-02 1987-12-02

Publications (2)

Publication Number Publication Date
JPH0190898U JPH0190898U (enrdf_load_stackoverflow) 1989-06-14
JPH0526154Y2 true JPH0526154Y2 (enrdf_load_stackoverflow) 1993-07-01

Family

ID=31474381

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18294287U Expired - Lifetime JPH0526154Y2 (enrdf_load_stackoverflow) 1987-12-02 1987-12-02

Country Status (1)

Country Link
JP (1) JPH0526154Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0190898U (enrdf_load_stackoverflow) 1989-06-14

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